Authorised form of nameCassini de Thury; Cesar Francois (1714 - 1784)
Dates1714 - 1784
Place of birthThury, near Clermont, France
Date of birth17 June 1714
Place of deathParis, France
Date of death04 September 1784
Research fieldGeodesy; astronomy
Director, Observatoire, Paris
Membership categoryFellow
Date of election17/01/1751
RelationshipsGrandson of Jean Dominique Cassini (FRS 1672); son of Jacques Cassini (FRS 1698); father of John Dominique Cassini (ForMemRS 1789)
Bulloch's Roll; DSB
Sir Gavin de Beer and Max H Hey, 'The First Ascent of Mont Blanc' in NR 1954-55 vol 11 pp 236-255
Royal Society codeNA3195
Archives associated with this Fellow
Reference numberTitleDate
EC/1750/11Cassini de Thury, Cesar Francois: certificate of election to the Royal Society
DM/4/1Letter from Charles James Fox, St James's, to Sir Joseph Banks8 October 1783
DM/4/7Letter from Lord Carmarthen, St James's, to Sir Joseph Banks8 April 1784
DM/4/2Letter from Comte D'Adhemar to Charles James Fox7 October 1783
DM/4/9Extract from the Minutes of the Council of the Royal Society24 June 1784
DM/4/8Copy of a letter from Lord Carmarthen, St James's, to Sir Joseph Banks8 April 1784
L&P/2/129Letter, 'Carte trinagulaire de la France [Trinitarian map of France]' from Cesar Francois Cassini de Thury to Hans Sloane25 March 1750
L&P/2/208Letter, 'On his election as FRS [Fellow of the Royal Society]' from Cesar Francois Cassini de Thury to Cromwell Mortimer23 April 1751
L&P/4/342Letter, 'Offers premium for optical glass' from Cesar Francois Cassini de Thury to Matthew Maty21 June 1766
L&P/9/33Paper, 'Concerning the latitude and longitude of the Royal Observatory at Greenwich; with remarks on the memoire by Cassini de Thury' by Nevil Maskelyne1787
L&P/9/32Paper, 'Memoire sur la jonction de Douvres a Londres [Proposing a measurement for connecting Dover with London]' by Cesar Francois Cassini de Thury1787
DM/4/3Cesar Francois Cassini de Thury, "Memoire sur la jonction de Douvres a Londres"c.1783
DM/4/14Copy of a letter from General William Roy, Argyll Street, to Nevil Maskylne11 December 1786
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